{% extends "base.html" %}

{% block content %}
  <div class="page">
    <p class="help">A <a href="specialization/">structural specialization</a> defines new types of structured information, such
      as new topic types or new map types.</p>
    <p class="help">A <a href="shell/">shell DTD</a> defines the set of structural modules,
      domain modules, and constraints modules that a map or topic can use.</p>
  </div>
{% endblock %}
